{"product_id":"klipsch-custom-series-cs-18c-in-ceiling-speaker-each","title":"Klipsch Custom Series CS-18C In-Ceiling Speaker (Each)","description":"\u003c!-- ======================================================\n\n     Klipsch Custom Series CS-18C In-Ceiling Speaker (Each)\n     — AL (bh-*) HTML\n\n     Two-Column Layout (Overview left \/ Specifications right)\n\n     Long-tail keyword used 5×:\n     “Klipsch Custom Series CS-18C In-Ceiling Speaker”\n\n     Content HTML only — Product schema handled by Shopify\/theme\n\n     ====================================================== --\u003e\n\n\u003cstyle\u003e\n  .bh-wrap{max-width:1100px;margin:0 auto;padding:1rem 1.25rem;line-height:1.6}\n  .bh-eyebrow{letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;opacity:.7}\n  .bh-title{font-size:3rem;margin:.25rem 0 1rem}\n  .bh-sub{font-style:italic;margin:0 0 1.25rem}\n  .bh-grid{display:grid;gap:1.25rem}\n  @media(min-width:900px){.bh-grid{grid-template-columns:1.3fr .7fr;align-items:start}}\n  .bh-section{margin:2rem 0}\n  .bh-bullets{list-style:disc;padding-left:1.25rem;margin:.5rem 0 0}\n  .bh-specs{width:100%;border-collapse:collapse}\n  .bh-specs th,.bh-specs td{border:1px solid #e5e7eb;padding:.65rem;vertical-align:top}\n  .bh-specs th{width:42%;background:#f8fafc;text-align:left}\n  .bh-badge{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.2rem .6rem;margin:.15rem .3rem 0 0;font-size:.85rem}\n  .bh-badges{margin-top:.5rem}\n  .bh-faq details{border:1px solid #e5e7eb;border-radius:.5rem;padding:.75rem 1rem;margin:.5rem 0;background:#fafafa}\n  .bh-faq summary{font-weight:600;cursor:pointer}\n  .bh-note{font-size:.95rem;opacity:.9}\n  .bh-condition{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.3rem .75rem;margin:.5rem 0 0;font-size:.85rem;background:#fafafa}\n\u003c\/style\u003e\n\n\u003cdiv class=\"bh-wrap\"\u003e\n\n\u003cspan class=\"bh-eyebrow\"\u003eKLIPSCH\u003c\/span\u003e\n\n\u003ch1 class=\"bh-title\"\u003eKlipsch Custom Series CS-18C In-Ceiling Speaker (Each)\u003c\/h1\u003e\n\n\u003cp class=\"bh-sub\"\u003e8\" polymer woofer • 1\" polymer dome tweeter • 92dB sensitivity • 40W RMS \/ 160W peak • Sky Hook tool-free installation • bezel-free magnetic grille\u003c\/p\u003e\n\nThe \u003cstrong\u003eKlipsch Custom Series CS-18C In-Ceiling Speaker\u003c\/strong\u003e delivers dynamic, detailed sound from a discreet architectural design that blends cleanly into the ceiling. As the larger 8-inch model in Klipsch's Custom Series in-ceiling lineup, the CS-18C combines an 8-inch polymer woofer with a 1-inch polymer dome tweeter for clear vocals, balanced music reproduction, and greater cone area for effortless sound throughout the room.\n\nDesigned for distributed audio, home theater, and two-channel listening, the CS-18C also incorporates Klipsch's patented Sky Hook Cinch installation system for faster, easier installation. Its infinite-baffle architecture allows the speaker to operate within the ceiling cavity, while a flat, bezel-free magnetic grille provides a clean finished appearance and can be painted to coordinate with the surrounding surface. The result is a versatile architectural loudspeaker well suited to whole-home music systems, entertainment spaces, and discreet home theater installations.\n\n\u003cdiv class=\"bh-grid\"\u003e\n\n\u003cdiv\u003e\n\n\u003csection id=\"features-and-tech\" class=\"bh-section\"\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Innovations\u003c\/h2\u003e\n\n\u003cul class=\"bh-bullets\"\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e8-inch polymer woofer\u003c\/strong\u003e — the \u003cstrong\u003eKlipsch Custom Series CS-18C In-Ceiling Speaker\u003c\/strong\u003e uses a large polymer woofer designed to provide clear, controlled bass and midrange reproduction for music, movies, television, and distributed audio.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e1-inch polymer dome tweeter\u003c\/strong\u003e — a dedicated high-frequency driver provides clean, detailed treble reproduction for vocals, instruments, dialogue, and cinematic effects.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e92dB sensitivity\u003c\/strong\u003e — the CS-18C's efficient design allows it to achieve substantial output without requiring unusually high amplifier power, making it compatible with a wide range of stereo amplifiers, distributed-audio amplifiers, and AV receivers.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e40W RMS \/ 160W peak power handling\u003c\/strong\u003e — the speaker provides the dynamic capability needed for everyday music listening, whole-home audio, and home theater applications.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e63Hz–20kHz frequency response\u003c\/strong\u003e — broad bandwidth provides balanced full-range reproduction for everyday listening, while a dedicated subwoofer can be added when deeper low-frequency extension is desired.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003ePatented Sky Hook Cinch installation system\u003c\/strong\u003e — Klipsch's tool-free mounting technology automatically engages the mounting legs as the speaker is inserted into the ceiling opening, helping simplify architectural installation.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003ePreset clamping force\u003c\/strong\u003e — the Sky Hook system applies controlled pressure against the mounting surface, helping provide a secure fit while reducing the possibility of overtightening the mounting hardware.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eFaster architectural installation\u003c\/strong\u003e — Klipsch states that the Sky Hook installation system can reduce installation time by as much as 75 percent compared with conventional mounting methods.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eInfinite-baffle architecture\u003c\/strong\u003e — the CS-18C is designed to operate within the ceiling cavity without requiring a conventional standalone speaker enclosure.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBezel-free magnetic grille\u003c\/strong\u003e — the flat magnetic steel grille eliminates the prominent trim found on many traditional architectural speakers for a cleaner, more contemporary finished appearance.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003ePaintable white grille\u003c\/strong\u003e — the included grille can be painted to coordinate with the surrounding ceiling, allowing the finished speaker to visually recede into the room.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eVersatile system applications\u003c\/strong\u003e — the CS-18C can be used for distributed and whole-home audio, two-channel listening, or as part of a discreet home theater installation.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eOptional installation accessories\u003c\/strong\u003e — Klipsch offers the IK-800-C II installation kit and ME-800-C fire-rated enclosure separately for projects requiring pre-construction mounting or an additional ceiling enclosure.\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" class=\"bh-section bh-faq\"\u003e\n\n\u003ch2\u003eFAQ — Klipsch CS-18C\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\n\u003csummary\u003eWhat is the Klipsch CS-18C designed for?\u003c\/summary\u003e\n\n\u003cp\u003eThe CS-18C is a versatile 8-inch in-ceiling speaker designed for distributed audio, whole-home music, home theater, and two-channel listening. Its architectural format provides quality sound while keeping conventional speaker cabinets out of the room.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\n\u003csummary\u003eHow is the CS-18C different from the CS-16C II?\u003c\/summary\u003e\n\n\u003cp\u003eThe CS-18C uses a larger 8-inch polymer woofer compared with the 6.5-inch polymer woofer in the CS-16C II. The CS-18C also has a slightly higher specified sensitivity of 92dB versus 91dB for the CS-16C II. Both models use a 1-inch polymer dome tweeter, 40W RMS \/ 160W peak power handling, and Klipsch's Sky Hook installation system.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\n\u003csummary\u003eWhat is the Klipsch Sky Hook installation system?\u003c\/summary\u003e\n\n\u003cp\u003eKlipsch's Sky Hook Cinch installation system automatically engages the speaker's mounting legs when the speaker is inserted into the ceiling cutout. A preset clamping force helps create a secure fit while reducing the possibility of overtightening during installation.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\n\u003csummary\u003eCan the CS-18C be used for home theater?\u003c\/summary\u003e\n\n\u003cp\u003eYes. Klipsch specifically designs the CS-18C for home theater as well as distributed audio and two-channel listening. Depending on the system design and room layout, it can be incorporated into a discreet architectural surround-sound system.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\n\u003csummary\u003eDoes the CS-18C need a subwoofer?\u003c\/summary\u003e\n\n\u003cp\u003eA subwoofer is not required for every application, but it is recommended when deeper bass is desired. The CS-18C has a specified frequency response of 63Hz–20kHz ±3dB, so adding a subwoofer can extend the system into the lowest bass frequencies for music and movie soundtracks.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\n\u003csummary\u003eHow much amplifier power can the CS-18C handle?\u003c\/summary\u003e\n\n\u003cp\u003eThe CS-18C is rated for 40 watts RMS and 160 watts peak. Its 92dB sensitivity also allows it to produce useful output efficiently with a wide range of compatible amplifiers, distributed-audio systems, and AV receivers.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\n\u003csummary\u003eCan the CS-18C grille be painted?\u003c\/summary\u003e\n\n\u003cp\u003eYes. The included flat magnetic grille is white and paintable, allowing it to be matched more closely to the surrounding ceiling for a discreet finished installation.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\n\u003c\/section\u003e\n\n\u003csection id=\"why-buy\" class=\"bh-section\"\u003e\n\n\u003ch2\u003eWhy Buy From Us\u003c\/h2\u003e\n\n\u003cul class=\"bh-bullets\"\u003e\n\n\u003cli\u003eAuthorized Klipsch dealer offering 100% genuine products with full manufacturer warranty coverage\u003c\/li\u003e\n\n\u003cli\u003eExpert advice on architectural speaker placement, amplification, whole-home audio, stereo systems, and home theater design\u003c\/li\u003e\n\n\u003cli\u003eProfessional in-ceiling speaker installation, system integration, wiring, calibration, and complete AV system optimization\u003c\/li\u003e\n\n\u003cli\u003eDedicated customer support for system planning, equipment matching, upgrades, configuration, and troubleshooting\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003c\/section\u003e\n\n\u003csection id=\"related\" class=\"bh-section\"\u003e\n\n\u003ch2\u003eRelated \u0026amp; System Matches\u003c\/h2\u003e\n\n\u003cul class=\"bh-bullets\"\u003e\n\n\u003cli\u003eKlipsch Custom Series CS-16C II In-Ceiling Speaker\u003c\/li\u003e\n\n\u003cli\u003eKlipsch Custom Series CS-16CSM Stereo In-Ceiling Speaker\u003c\/li\u003e\n\n\u003cli\u003eKlipsch Custom Series CS-16W In-Wall Speaker\u003c\/li\u003e\n\n\u003cli\u003eKlipsch IK-800-C II Installation Kit\u003c\/li\u003e\n\n\u003cli\u003eKlipsch ME-800-C Fire-Rated Enclosure\u003c\/li\u003e\n\n\u003cli\u003eKlipsch Powered Subwoofers\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- RIGHT COLUMN --\u003e\n\n\u003caside\u003e\n\n\u003csection id=\"specs\" class=\"bh-section\"\u003e\n\n\u003ch2\u003eKlipsch CS-18C Specs\u003c\/h2\u003e\n\n\u003ctable class=\"bh-specs\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003e2-Way In-Ceiling Speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eRecommended Applications\u003c\/th\u003e\n\u003ctd\u003eDistributed Audio \/ Home Theater \/ 2-Channel Listening\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eHigh-Frequency Driver\u003c\/th\u003e\n\u003ctd\u003e1\" Polymer Dome Tweeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eLow-Frequency Driver\u003c\/th\u003e\n\u003ctd\u003e8\" (20.32cm) Polymer Woofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eFrequency Range\u003c\/th\u003e\n\u003ctd\u003e63Hz–20kHz ±3dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e92dB @ 2.83V \/ 1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eContinuous Power Handling\u003c\/th\u003e\n\u003ctd\u003e40W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003ePeak Power Handling\u003c\/th\u003e\n\u003ctd\u003e160W\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e8Ω Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eEnclosure Type\u003c\/th\u003e\n\u003ctd\u003eABS \/ Infinite Baffle\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eInstallation System\u003c\/th\u003e\n\u003ctd\u003ePatented Sky Hook Cinch Tool-Free Installation System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack Baffle \/ Frame with White Paintable Grille\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eGrille\u003c\/th\u003e\n\u003ctd\u003eFlat Bezel-Free Paintable Magnetic Grille\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eProduct Dimensions\u003c\/th\u003e\n\u003ctd\u003e10.75\" W × 10.75\" H × 4.5\" D\u003cbr\u003e27.3 × 27.3 × 11.5cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eMounting Depth\u003c\/th\u003e\n\u003ctd\u003e4.45\"\u003cbr\u003e11.3cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eCutout Diameter\u003c\/th\u003e\n\u003ctd\u003e9.8\"\u003cbr\u003e24.9cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eProduct Weight\u003c\/th\u003e\n\u003ctd\u003e7.4lb \/ 3.36kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eInstallation Kit\u003c\/th\u003e\n\u003ctd\u003eIK-800-C II — Sold Separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eFire-Rated Enclosure\u003c\/th\u003e\n\u003ctd\u003eME-800-C — Sold Separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003cp class=\"bh-note\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003c\/section\u003e\n\n\u003csection id=\"whats-in-the-box\" class=\"bh-section\"\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\n\u003cul class=\"bh-bullets\"\u003e\n\n\u003cli\u003eKlipsch Custom Series CS-18C In-Ceiling Speaker\u003c\/li\u003e\n\n\u003cli\u003eFlat Paintable Magnetic Grille\u003c\/li\u003e\n\n\u003cli\u003eProduct \/ Installation Documentation\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003c\/section\u003e\n\n\u003c!-- No purchase\/CTA section --\u003e\u003c\/aside\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Klipsch","offers":[{"title":"Default Title","offer_id":67609453756782,"sku":"KLICS18C","price":209.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/klipsch-custom-series-cs-18c-in-ceiling-speaker-each.webp?v=1790787420","url":"https:\/\/audiolab.com\/products\/klipsch-custom-series-cs-18c-in-ceiling-speaker-each","provider":"Audiolab","version":"1.0","type":"link"}